JP2007223657A - Compound hinge cap - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hinge cap enabling a user to drink the stored content without spilling it under a comfortable mouth touched state and without removing the compound hinge cap. <P>SOLUTION: This compound hinge cap 1 is constituted by a cap body 3 having an opening 33 at a top plate, an annular side wall 34 formed to enclose the opening and a threaded part 35 at the inner surface of a skirt part 32, an outer peripheral wall 4 covering the outer surface of the skirt part at the cap body and the outer edge of the top plate, an upper lid 6 connected through a hinge to the outer peripheral wall to cover the top plate of the cap body and an inner plug 5 positioned between the end of the container opening part 2 and the inner surface of the cap body top plate and having an opening planed part 53 formed at a position corresponding to the opening of the cap body top plate. The annular side wall 34 of the cap body is formed with a pouring-out nozzle at a part except a position corresponding to the hinge and at the same time, a drinking port extending upwardly and inwardly is formed at the upper part of the outer peripheral wall and at least corresponding to the pouring nozzle. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a composite hinge cap, and more specifically, it is possible to drink the contents smoothly and with good mouthfeel without removing the hinge cap fitted to the container mouth, without spilling directly on the mouth. The present invention relates to a complex hinge cap.

  As a cap applied to the container mouth, a composite cap comprising a cap body and an inner stopper is conventionally known, and the necessary performance can be achieved by changing the resin constituting the cap body and the inner stopper. It becomes possible to do.

  As such a composite cap, for example, a synthetic resin inner plug having a top wall that covers the top surface of the mouth of the container, an annular wall that covers the peripheral edge of the inner plug, and a cylindrical shape that hangs down from the peripheral edge of the annular wall A synthetic resin cap main body having a skirt portion, wherein the inner plug has a first locking projection formed on the upper surface extending upward from the vicinity along the outer peripheral edge, and the lower surface. The cylindrical skirt portion of the cap body has a female screw threadedly engaged with a male screw thread on the outer periphery of the container mouth portion, and the annular shape. A second locking protrusion hanging from the lower surface of the wall is formed, and the inner peripheral surface of the first locking protrusion and the outer peripheral surface of the second locking protrusion are locked in a closed state. A composite cap is proposed (Patent Document 1).

JP 2005-153972 A

The composite cap described in the above-mentioned patent document is a screw cap that suppresses over-tightening and has excellent cleaning properties. However, when opening, naturally the cap is swung each time and the cap is placed in a container. There is a need for a hinge cap that needs to be removed from the mouth and can be opened and closed with a single touch that is easier to open and close.
In addition, if the cap is removed from the container mouth, it may be dropped and lost or contaminated, and the cap will not separate from the container mouth, and the contents can be easily put on the mouth directly to drink the contents. It is also desired to be a hinge cap that can be used.

  Accordingly, an object of the present invention is a composite hinge cap capable of forming the cap body, the outer peripheral wall, and the inner plug from materials suitable for their respective performances, and can be opened and closed with one touch. It is an object of the present invention to provide a composite hinge cap that allows the user to drink the contents smoothly without touching and spilling directly without removing the fitted hinge cap.

  According to the present invention, the top plate portion includes a top plate portion and a skirt portion. The top plate portion is formed with an opening, the annular side wall extending upward is formed so as to surround the opening, and the inner surface of the skirt portion has a screw portion. A cap body, an outer peripheral wall covering the outer surface of the skirt part and the top plate part of the cap body, an upper lid hinged to the outer peripheral wall so as to cover the top plate part of the cap body, In the composite hinge cap comprising an inner plug in which a planned opening portion is formed at a position corresponding to the opening of the top plate portion of the cap body, the annular side wall of the cap body excludes the position corresponding to the hinge. A pouring nozzle is formed in the portion, and a drinking mouth portion extending upward and inward is formed above the outer peripheral wall at a position corresponding to the pouring nozzle. A composite hinge cap, wherein the has is provided.

According to the composite hinge cap of the present invention,
1. The drinking part is composed of an inclined part consisting of an inclined surface extending upward and inward from below and a protruding part covering the upper end of the dispensing nozzle from the upper end of the inclined part;
2. The position of the end of the pouring nozzle on the hinge side is in the range of an angle of 50 to 70 ° with respect to the radius connecting the plane center of the cap and the hinge, and the shape of the pouring nozzle as viewed from above Is arcuate in the range of 80 to 100 ° with respect to the center of the cap plane,
3. A seal portion is formed between the top plate inner surface of the cap body and the upper surface of the inner plug and inside the outer peripheral edge of the container mouth end;
4). The seal portion is formed by the close contact of the annular protrusion formed on the top end of the cap main body and the annular protrusion projecting downward formed in the vicinity of the opening end portion of the cap body top plate portion;
5). The cap body skirt part and the outer peripheral wall are formed with engaging parts for co-rotation,
Is preferred.

In the composite hinge cap of the present invention, since it is a hinge cap, after breaking the score of the planned opening portion, the lid can be opened with one touch at the time of reuse, and the upper lid does not come off from the container mouth portion. There is also an advantage that it cannot be lost and cannot be resealed.
In addition, when the contents are drunk directly with the mouth of the cap, the upper lid is obstructed because the drinking mouth consisting of the dispensing nozzle and the inclined part is formed on the outer peripheral wall at a position other than the hinge part. In addition, it is possible to drink smoothly without spilling the contents, and since the inclined portion to which the mouth is attached is formed of a smooth curved inclined surface, the mouth feel is good.
Furthermore, since the cap main body, the outer peripheral wall, and the inner plug can be formed of different materials, it is possible to provide a cap having heat resistance, mechanical strength, and sealing performance.

The composite hinge cap of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a side sectional view of an example of the composite hinge cap of the present invention in a closed state, and FIG. 2 is the composite hinge cap shown in FIG. FIG. 3A is a plan view of the composite hinge cap shown in FIG. 1 in the opened state, and FIGS. 3B to 3D are lids for explaining the mouthpieces formed at other positions. FIG. 4 is a partially enlarged cross-sectional view of the composite hinge cap shown in FIG. 1, and FIG. 5 is a side view of the composite hinge cap shown in FIG.

  The composite hinge cap 1 of the present invention shown in FIG. 1 to FIG. 4 is, roughly speaking, an outer peripheral wall positioned so as to cover the cap main body 3 screwed to the container mouth portion 2 and the cap main body skirt portion from the outside. 4. A three-piece type composite hinge cap comprising an inner stopper 5 located between the tip of the container mouth 2 and the inner surface of the top plate of the cap body.

The cap body 3 includes a top plate portion 31 and a skirt portion 32, and an opening 33 is formed at substantially the center of the top plate portion 31, an annular side wall 34 is formed so as to surround the opening 33, and the inner surface of the skirt portion 32. A screw portion 35 that is screwed with the screw portion 21 formed in the container mouth portion 2 is formed.
Further, a tamper evidence band 37 is formed at the lower end of the skirt portion 32 via a weakening portion 36, and the engaging protrusion 22 formed on the container mouth portion 2 is formed on the inner surface of the lower end of the tamper evidence band 37. An engaging portion 30 is formed to engage with.
Further, a part of the annular side wall 34 of the cap body 3 is formed with a dispensing nozzle 38 having a side wall that is higher than the annular side wall 34.
An annular protrusion 39 is formed in the vicinity of the opening end of the top plate portion 31 of the cap body to form a seal portion in close contact with an annular recess 56 of the inner plug 5 described later.

Generally speaking, the outer peripheral wall 4 includes a side wall 41 that covers the cap main body skirt portion 32 from the outside, and an annular top plate that extends inward from the upper end of the side wall 41 and contacts the outer peripheral edge of the top plate 31 of the cap main body. 42 and the upper lid 6 connected to the side wall 41 and the hinge 43.
The annular top plate portion 42 is formed with an annular engagement portion 44 that extends upward from the annular top plate portion 42 and fixes the upper lid 6 in a closed state. In the present invention, at the position corresponding to the pouring nozzle 38 of the cap body 3, a drinking mouth part 49 including an inclined part 45 continuous from above the annular engagement part 44 is formed. The drinking mouth portion 49 hangs downward from the upper inner surface of the inclined surface 46 to the cap main body top plate portion 31, and has a smooth curved inclined surface 46 whose outer diameter decreases from the upper end of the annular engaging portion 44 upward. It consists of a reinforcing vertical wall 47 with which the lower end abuts, and a protrusion 48 that protrudes inward from the upper end of the inclined surface 46 so as to cover the upper end of the pouring nozzle 38 of the cap body.

This drinking part 49 forms the drinking mouth of the contents together with the above-described pouring nozzle 38 of the cap body, and as is apparent from FIG. 3A, the shape seen from above is an arc shape, The position of the hinge side end portion A is formed such that the angle ∠XOA is α ° with respect to the radius OX connecting the plane center O of the cap and the hinge center portion X, and from the hinge side end portion A to the other end. The center angle ∠AOB of the arc up to the part B is formed to be β °.
In the composite hinge cap of the present invention, the position of the drinking mouth portion 49 formed by the dispensing nozzle 38 and the inclined portion 45 is preferably formed at a location other than the hinge portion, and the upper lid may become an obstacle. The angle α is preferably in the range of 50 to 70 °, and the angle β is particularly preferably in the range of 80 to 100 °.

The position of the drinking mouth part 49 is not particularly limited as long as it is a place other than the hinge part. Besides the position shown in FIG. 3A, the drinking mouth part 49 shown in FIG. As shown in FIG. 3C, drinking mouth portions 49a and 49b are formed at two positions symmetrical with respect to the line XX ′, as shown in FIG. 3C. It may be.
Further, as shown in FIG. 3D, both end portions A and B of the mouthpiece portion 49 have angles ∠XOA and ∠XOB as α with respect to a radius OX connecting the plane center O and the hinge center portion X of the cap. It is also possible to form a drinking mouth portion over the entire circumference except for the hinge portion and its vicinity.

Generally speaking, the upper lid 6 includes a top surface 61 and a side wall portion 62 depending from the periphery of the top surface. However, in the specific example shown in the figure, the side wall portion 62 has an outer diameter upward at the top. It consists of a tapered part 62a and a lower vertical part 62b that become smaller as it goes. An engaging portion 63 is formed at the lower end of the inner surface of the vertical portion 62b to engage with the annular engaging portion 44 of the outer peripheral wall 4 to fix the upper lid 6 to the outer peripheral wall 4 when the lid is closed.
For sealing on the inner surface of the top surface 61, the inner wall of the annular side wall 34 is brought into close contact with the inner surface of the annular side wall 34 to secure the liquid-tightness after breaking the score 52 formed on the inner plug to be described later and removing the planned opening portion 53. Although the protrusion 64 is formed, as shown in FIG. 3A, the length of the seal protrusion 64 is the same as that of the dispensing nozzle 38 and the inclined portion 64b corresponding to the dispensing nozzle 38 and the inclined portion 45 described above. The length is short depending on the height of the portion 45.
In addition, a lid opening projection 65 is formed on a portion of the top surface 61 facing the hinge.

The inner plug 5 has an inner ring 51 that is in close contact with the inner surface 23 of the container mouth portion 2 on the lower surface, and a planned opening portion 53 that is partitioned by a score 52 at a position corresponding to the opening 33 of the cap body top plate portion. A grip portion 54 for breaking the score 52 is formed on the planned opening portion 53 via a support column 55.
An annular recess 56 corresponding to the annular protrusion 39 of the cap body is formed on the upper surface of the inner plug 5. When the annular protrusion 39 and the annular recess 56 are fitted, the inner stopper 5 is pressed from above to improve the sealing performance of the container mouth portion 2 and the inner stopper 5, and the content liquid is used when the container is used. It is possible to prevent leakage between the cap main body 3 and the container mouth portion 2 when the score 52 is broken.

  An annular groove 40 is formed at a position corresponding to the container mouth end 23 of the top plate portion 31 of the cap body 3, and the groove 40 is fitted on the upper surface of the inner plug 5 corresponding to the annular groove 40. A plurality of convex portions 57 to be obtained are formed, and the fitting between the cap main body 3 and the inner plug 5 is reinforced by fitting them.

  In the composite hinge cap of the present invention, the cap main body 3 and the outer peripheral wall 4 are aligned so that the spout nozzle 38 of the cap main body 3 and the drinking mouth portion 49 including the inclined portion 45 of the outer peripheral wall 4 are in the same position. Need to be combined. In the specific example shown in the figure, as is apparent from FIG. 5, the engaging protrusion protruding outwardly so as to form the same surface as the outer surface of the side wall portion 41 of the outer peripheral wall 4 at the lower portion of the outer surface of the skirt portion 32 of the cap body 3. A plurality of portions 7 are formed, and one of them is formed as an engaging convex portion 7a having a different size. On the other hand, at the lower end of the side wall 41 of the outer peripheral wall 4, a notch 8 having a size corresponding to the convex 7 is formed, and a notch 8 a corresponding to the engaging convex 7 a having a different size is formed. Then, the engaging protrusion 7a and the notch 8a are fitted, so that the cap body 3 and the outer peripheral wall 4 are positioned at the same position of the pouring nozzle 38 of the cap main body 3 and the inclined portion 45 of the outer peripheral wall 4. Are fitted in a state of being positioned.

  In addition, as shown in the figure, the mode of engagement for positioning the cap main body and the outer peripheral wall is not limited to the one in which the convex portion on the lower outer surface of the cap main body and the notch at the lower end of the outer peripheral wall are fitted. Various aspects can be adopted, such as one in which the convex portions on the outer surface and the convex portions on the inner surface of the annular side wall are alternately formed to prevent circumferential movement.

In order to open the composite hinge cap of the present invention, first, the grip portion formed on the inner plug is pulled upward, the score is broken, and an opening for dispensing is formed. Once the dispensing opening is formed, it is only necessary to lift the upper lid, and the opening / closing operation can be performed with one touch.
In the composite hinge cap according to the present invention, since the cap body and the outer peripheral wall are positioned, the rotation of the outer peripheral wall alone is prevented. The weakened portion connecting the tamper evident band formed on the ruptured portion is broken, and the entire cap can be easily removed.

The composite hinge cap of the present invention can be formed by molding each member by injection molding, compression molding or the like using a resin conventionally used for a plastic cap and combining them.
In addition, each member can be molded with a different resin. For example, the cap body and the outer peripheral wall are made of polypropylene having high mechanical strength or heat resistance, and the inner plug is made of polyethylene having excellent sealing performance or score breakability. By forming and combining the caps, it is possible to provide a cap having excellent mechanical strength, heat resistance, sealability, or openability.

It is a sectional side view in the closed state of an example of the compound hinge cap of this invention. It is a top view of the composite hinge cap shown in FIG. It is a top view in the open state of the composite hinge cap shown in FIG. It is a top view in the open state for explaining the mouth part formed in other positions. It is a top view in the open state for explaining the mouth part formed in other positions. It is a top view in the open state for explaining the mouth part formed in other positions. It is a partially expanded sectional view of the composite hinge cap shown in FIG. It is a side view of the composite hinge cap shown in FIG.

Explanation of symbols

1 composite hinge cap, 2 container mouth, 3 cap body, 4 outer peripheral wall, 5 inside plug,
6 Top lid, 7 Convex projection, 8 Notch, 31 Cap body top plate,
32 Skirt part, 33 opening, 34 annular side wall, 35 screw part, 36 weakening part,
37 tamper evident band, 38 dispensing nozzle, 39 annular projection,
40 annular groove, 41 side wall, 42 annular top plate, 43 hinge,
44 annular engagement part, 45 inclined part, 46 inclined surface, 47 vertical wall, 48 protruding part,
51 inner ring, 52 score, 53 scheduled opening, 54 gripping part,
55 struts, 56 annular recesses, 57 convex portions, 61 top surface, 62 side wall portions,
63 engaging part, 64 sealing protrusion, 65 opening lid protrusion.

Claims (6)

A cap body comprising a top plate portion and a skirt portion, wherein an opening is formed in the top plate portion, an annular side wall extending upward is formed so as to surround the opening, and a screw portion is provided on the inner surface of the skirt portion, and the cap body An outer peripheral wall that covers the outer surface of the skirt part and the outer edge of the top plate part, an upper lid that is hinged to the outer peripheral wall so as to cover the top plate part of the cap body, and a cap located between the tip of the container mouth and the inner surface of the top part of the cap body In the composite hinge cap comprising an inner plug in which a planned opening portion is formed at a position corresponding to the opening of the main body top plate portion,
On the annular side wall of the cap body, a dispensing nozzle is formed at a portion other than the position corresponding to the hinge, and above the outer peripheral wall, at least at a position corresponding to the dispensing nozzle. A composite hinge cap characterized in that a drinking mouth portion extending inward is formed.   2. The composite hinge cap according to claim 1, wherein the drinking mouth portion includes an inclined portion including an inclined surface that extends upward and inward from below and a protruding portion that covers the upper end of the dispensing nozzle from the upper end of the inclined portion.   The position of the end of the pouring nozzle on the hinge side is within the range of an angle of 50 to 70 ° with respect to the radius connecting the plane center of the cap and the center of the hinge, and the pouring nozzle as viewed from above The composite hinge cap according to claim 1 or 2, wherein the shape is an arc shape in a range of 80 to 100 ° with respect to the center of the cap plane.   The composite hinge cap according to any one of claims 1 to 3, wherein a seal portion is formed between the inner surface of the top plate portion of the cap main body and the upper surface of the inner stopper and at a position inside the outer peripheral edge of the container mouth end.   The composite hinge cap according to claim 4, wherein the seal portion is formed by close contact between an annular protrusion formed in the opening end portion of the cap main body top plate portion or in the vicinity thereof and projecting downward, and an annular recess formed in the upper surface of the inner plug. .   The composite hinge cap according to any one of claims 1 to 5, wherein an engaging portion for positioning is formed on the cap main body skirt portion and the outer peripheral wall.

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